Accurately capture the vivid colors of the fish, turtles and coral during your next dive in the tropics. DESCRIPTIONPaired specifically for diving in bright blue, shallow tropical waters, this filter slips onto your GoPro HERO3, HERO3+ or HERO4 standard housing to enable stunning, professional-quality diving photography. The BlurFix 55mm Filter Adapter lets you attach any 55mm filter to your camera's housing, and with the pre-installed URPRO Cyan Dome filter you are ready to shoot every second of your once-in-a-lifetime dive in Fiji. SRP took the best features of their original BlurFix and incorporated them into the BlurFix 55mm Filter Adapter, which boasts an easy, slip-on design that can be completely sealed with air, sealed with liquid or unsealed for a variety of applications in and out of the water. FEATURESBlurFix 55mm Filter Adapter only works with the GoPro HERO3, HERO3+ and HERO4 standard housing.The BlurFix 55mm Filter Adapter comes pre-installed with the CYD filter, which can be swapped out with almost any other 55mm filter.Preinstalled, patent-pending URPRO Cyan Dome filter provides accurate color-correction across your camera's whole field of view. The CYD filter is optically matched for use in the bright blue waters of the tropics between 12 and 60 feet.Slip-on adapter design enables easy installation and removal, and filters screw onto the adapter for a reliable hold during deeper dives.Computer-machined, rugged Delrin frame withstands years of heavy use without warping or cracking.Design allows the user to create a sealed space between the filter and housing. It can be sealed with air, water or other liquids and it can also remain unsealed for flooding during dives and other underwater film shoots.Interior O-ring provides a solid grip on the housing and helps to form seal.For above water applications, the area between the camera and filter can be sealed against dirt, water, and snow intrusion using the supplied O-rings.Included nylon lanyard lets you tether the adapter to your camera for a little extra security during high-impact sports or diving sessions. TECH SPECSManufacturer:SRPSize:3" x 3 x .25"Weight:3 ozMaterials:Delrin(R), NylonWarranty:Manufacturer WarrantyCompatibility:HERO3, HERO3+, HERO4 (Standard Housing only) WHAT'S INCLUDED BlurFix 55mm Filter Adapter URPRO Cyan Dome (CYD) Filter Nylon Lanyard Instructions Free GoWorx... More